Convert to standard notation: 4.7 X 104
47,000
Convert to scientific notation: 234000
2.34 X 105
Which is bigger? 45,000 or
4.5*10^3
45,000
(8.18 × 10-6)(1.15 × 10-5)
9.407 x 10-11
(8.4 x 108)/(4.2 x 104)
2 x 104
The population of Crowded Town is 4 × 106 and the population of Empty Village is 8 × 103. How many times the population of Empty Village is Crowded Town?
Multiply or Divide?
Divide
Convert to standard notation: 8.923 X 10-2
0.08923
Convert to scientific notation: 25,360
2.536 X 104
Which is smaller? 9,000,000 or
9*10^9
9,000,000
(9.2 x 105) x (4 x 10-3)
3.68 x 103
(7.8 x 104)/(8.0 x 101)
9.75 x 102
The population of Crowded Town is 4 × 106 and the population of Empty Village is 8 × 103. How many times the population of Empty Village is Crowded Town?
Set it up
( 8 × 103)/4 × 106
Convert to standard notation: 987 X 105
98,700,000
Convert to scientific notation: 0.034
3.4 X 10-2
Which is smaller? 700 or
7*10^3
700
(1.9 x 108)(5.8 x 10-8)
1.102x101
(5.2 x 101)/(1.5 x 104)
3.46 x 10-3
When the Sun makes an orbit around the center of the Milky Way, it travels 2.025 x 1014 kilometers. The orbit takes 225 million years. At what rate does the Sun travel?
Multiply or Divide
Divide
Convert to standard notation: 3 X 106
3,000,000
Convert to scientific notation: 734,239
7.34239 X 105
Which is larger? 89,000 or
8.9*10^4
Equal to each other
(8.3 x 10-2)(6.7 x 100)
5.561x10-3
(9.7 x 10-5)/(1.1 x 10-5)
8.81 x 100
When the Sun makes an orbit around the center of the Milky Way, it travels 2.025 x 1014 kilometers. The orbit takes 225 million years. At what rate does the Sun travel?
Set it up
(2.025 x 1014)/(2.25x108)
Convert to standard notation: 342.5 X 10-5
0.003425
Convert to scientific notation: 0.0000003
3.0 X 10-7
Which is equal?
6.7*10^3 = 67,000
OR
5.4*10^4 = 54,000
5.4*10^4 = 54,000
2.54 x 10-4 x 1,000,000
2.54 x 102
(9.5 x 1010)/1,100,000
8.63 x 104
Solve: Light travels at a speed of 1.86 x 105 miles per second. It takes light from the Sun about 4.8 x 103 seconds to reach Saturn. Find the approximate distance from the Sun to Saturn.
8.928 x 108 miles